@figuerres: I'm sporting a pair of Samsung 305T's that are 30", 2560 x 1600 resolution.  They set me back about $1300 a pop though, and I'm not sure if this particular model is still being manufactured.  I have seen equivalent Dell displays, however.  I also saw an Apple display with the same resolution, but as you'd expect it costs about 3 times as much as every other one for the privilege.